Etymology and distribution of 曽良中.

Soranaka 【曽良中】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Toukyou-to . Korean type . 鄭 's variant. Disassembled "Zhen". There is a record of naturalization on Toukyou-to Shinjuku-ku on 2 February 1983. Zheng the real name. 鄭 Tei reference.